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. 2022 Jul 1;9:913229. doi: 10.3389/fmed.2022.913229

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Copyright © 2022 Wang, Zhang, Wang, Liu and Guo.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Operative photos of the left eye. (A) The cornea was cloudy and nuclear cataract occluded the visual axis. (B) The tip of a 5-0 suture was inserted into Schlemm’s canal and threaded circumferentially in Schlemm’s canal during trabeculotomy. (C) The tip of the 5-0 suture appeared in the opposite ostium of Schlemm’s canal.